- Yahoo!
- 20/9/23 23:58
Months after 330 elephants inexplicably died in Botswana, officials identified the cause of the die-off: toxic bacteria in their watering...
290 articles from WEDNESDAY 23.9.2020
Months after 330 elephants inexplicably died in Botswana, officials identified the cause of the die-off: toxic bacteria in their watering...
Boris Johnson will urge leaders to "look ahead to how we will rebuild" after the global pandemic.
The newly arrived calf of a southern resident killer whale famed for her marathon display of grief is male, the Center for Whale Research has...
Scientists have developed a 'tiny wind turbine' that can take energy from a gentle breeze, such as that made as you walk.The device comprises two plastic strips in a tube that flutter or clap together in the presence of airflow. That energy, powered by the contact and separation of two materials, can be bottled up and stored for use, according to researchers.Scientists in China hope the...
Recent science missions and results are bringing the search for life closer to home, and scientists at the Center for Astrophysics | Harvard & Smithsonian (CfA) and the Florida Institute of Technology (FIT) may have figured out how to determine whether life is—or was—lurking deep beneath the surface of Mars, the Moon, and other rocky objects in the universe.
In a new climate modeling study that looked at the impacts of accelerated ice melt from the Antarctic Ice Sheet (AIS) on future climate, a team of climate scientists reports that future ice-sheet melt is expected to have significant effects on global climate.
A graduate student relied on the bus system to get to class. He wanted to understand why, despite arriving at the bus stop on time, he was sometimes late to class. He developed a tool that considers transportation variables weighed against how great a margin of error bus riders are willing to accept, which can also apply to getting a lunar rover to its destination, and with a high degree of...
Amazonia is closer to a catastrophic ecological tipping point than any time in the last 100,000 years, and human activity is the cause.
The colloidal diamond could make light waves as useful as electrons in computing, and hold promise for a host of other applications. Researchers have devised a new process for the reliable self-assembly of colloids in a diamond formation that could lead to cheap, scalable fabrication of such structures.
A new survey of six U.S. states has found that during the past two months, more people are wearing masks, vaccine uncertainty is on the rise, and many people are overestimating their risk of becoming seriously ill and dying from COVID-19.
In a new climate modeling study that looked at the impacts of accelerated ice melt from the Antarctic Ice Sheet (AIS) on future climate, a team of climate scientists reports that future ice-sheet melt is expected to have significant effects on global climate.
Analyzing anonymized patient medical records, researchers discovered that cholesterol-lowering statins reduced risk of severe COVID-19 infection, while lab experiments uncovered a cellular mechanism that helps explain why.
During pregnancy in mice, the billions of bacteria and other microbes that live in a mother's intestines regulate key metabolites, small molecules that are important for healthy fetal brain development, biologists report. Scientists had not known until now whether the maternal gut microbiota influenced brain development during critical prenatal periods.
The colloidal diamond has been a dream of researchers since the 1990s. These structures—stable, self-assembled formations of miniscule materials—have the potential to make light waves as useful as electrons in computing, and hold promise for a host of other applications. But while the idea of colloidal diamonds was developed decades ago, no one was able to reliably produce the structures....
Amazonia is closer to a catastrophic ecological tipping point than any time in the last 100,000 years, and human activity is the cause.
Bringing the power of the sun to Earth requires sound theory, good engineering, and a little finesse. The process entails trapping charged, ultra-hot gas known as plasma so its particles can fuse and release enormous amounts of energy. The most widely used facilities for this process are doughnut-shaped tokamaks that hold plasma in place with strong magnets that are precisely shaped and...
China’s president, Xi Jinping, has announced plans for the nation to become carbon neutral by 2060, setting a bold goal for the world’s biggest climate polluter. But it’s hard to reconcile Xi’s pledge, made before the UN General Assembly on Tuesday, with the nation’s recent actions. Most notably, China is in the midst of a coal building boom. As of late last year, the country had...
Richard Dewey with Ocean Networks Canada explains how particulate matter from burning forests actually helps, rather than harms, ocean...
Before it can fly astronauts to the moon, NASA's Orion spaceship will have to fix an important problem: Its toilet is too...
As public health officials raise alarms about surging coronavirus cases among young people, new research suggests that Americans under 25 are most likely to believe virus-related misinformation about the severity of the disease and how it originated.In a survey of 21,196 people in all 50 states and the District of Columbia, researchers identified a clear generational divide. Respondents 18 to 24...
A majority of masks tested did not filter 95% or more particles, per requirements, according to a nonprofit that tests the...
Evidence continues to accumulate about human and wildlife exposure to chemical compounds called per- and polyfluoroalkyl substances, collectively referred to as PFAS, and their deleterious effects on the environment. The latest study, by a University of Rhode Island graduate student, found high levels of the compounds in seabirds from offshore Massachusetts and coastal Rhode Island and North...
For weeks, smoke has blanketed the west coast. The Bay Area has seen a vast improvement in the past few days, but terrible air lingers in Portland and Seattle. Millions of people have been furiously checking the air quality ratings in their neighborhood regularly. On the worst days, in some places the Air Quality Index (AQI) measured 600. Readings over 150 trigger emergency health warnings if a...
Got a cat that always seems hungry? New University of Guelph research suggests you might want to reduce—not increase—how often you feed them.
California officials took the unusual step Tuesday of granting temporary endangered species status to the western Joshua tree, but will allow 15 solar energy firms to raze Joshua trees that stand in the way of their shovel-ready projects.
Minnesota state authorities have unleashed a four-legged investigator specifically trained to sniff out digital electronics commonly used by sexual predators to exploit children and others.
In a new study of volcanic processes, scientists have demonstrated the role nanolites play in the creation of violent eruptions at otherwise 'calm' and predictable volcanoes. The study describes how nano-sized crystals (nanolites), 10,000 times smaller than the width of a human hair, can have a significant impact of the viscosity of erupting magma, resulting in previously unexplained and explosive...
A new ultra-affordable and accessible hearing aid made from open-source electronics could soon be available worldwide, according to a new study.
Research shows prenatal cannabis exposure may impact child behavior later in life.
The price of insulin has increased dramatically in the past 15 years. Many Type 1 diabetics have struggled to pay for this lifesaving...
Misconceptions about child marriage (marriage under 18) appear widespread among the American public, potentially hampering efforts to address the practice globally. David Lawson and colleagues at the University of California, Santa Barbara, present these findings in the open-access journal PLOS ONE on September 23, 2020.
In a new study of volcanic processes, Bristol scientists have demonstrated the role nanolites play in the creation of violent eruptions at otherwise 'calm' and predictable volcanoes.
New research has found that feeding cats one large meal a day may help control hunger better than feeding them several times a day.
President Xi Jinping's pledge that China will achieve carbon neutrality before 2060 is the most significant climate policy move for years and, if achieved, could curb likely global warming by 0.2-0.3 Celsius this century, researchers said. Xi's surprise announcement at the United Nations General Assembly on Tuesday is the first time the world's biggest emitter of carbon dioxide has committed to...
Roughly 80 million years ago in the shallow inland sea that once split North America into eastern and western land masses, a fearsome 33-foot-long (10-meter-long) marine reptile with powerful jaws and tremendous bite-force was one of the apex predators. A type of seagoing lizard called a mosasaur that ruled the oceans at the same time dinosaurs dominated the land, it has now been given a name...